/* ============ 基础重置 ============ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a5276;
    --primary-light: #2471a3;
    --primary-dark: #0a2a4a;
    --accent: #27ae60;
    --accent-light: #2ecc71;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary-light);
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.section-desc {
    font-size: 1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ============ 顶部信息栏 ============ */
.top-bar {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.85);
    font-size: 0.85rem;
    padding: 8px 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar-left a {
    color: rgba(255,255,255,0.85);
}

.top-bar-left a:hover {
    color: var(--white);
}

.top-bar-icon {
    margin-right: 4px;
}

.top-bar-right {
    display: flex;
    gap: 20px;
}

.top-bar-right a:hover {
    color: var(--white);
}

/* ============ 导航栏 ============ */
.header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.6rem;
    color: var(--gray-600);
    letter-spacing: 2px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-800);
    border-radius: 8px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(26,82,118,0.06);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.header-cta {
    background: var(--primary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.header-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(26,82,118,0.3);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    transition: var(--transition);
}

/* ============ Hero 轮播 ============ */
.hero {
    position: relative;
    overflow: hidden;
}

.hero-slide {
    display: none;
    min-height: 550px;
    padding: 60px 0;
}

.hero-slide.active {
    display: flex;
}

.hero-content {
    color: var(--white);
    max-width: 600px;
    padding: 0 40px;
}

.hero h2 {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 35px;
}

.hero-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 5px;
}

.hero-btn {
    display: inline-block;
    background: var(--white);
    color: var(--primary);
    padding: 14px 36px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 700;
    margin-right: 15px;
    transition: var(--transition);
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.hero-btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.hero-btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 60px;
}

.hero-image-placeholder {
    font-size: 8rem;
    opacity: 0.3;
}

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
}

.hero-dot.active {
    background: var(--white);
    transform: scale(1.2);
}

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.hero-arrow:hover {
    background: rgba(255,255,255,0.4);
}

.hero-arrow-left { left: 20px; }
.hero-arrow-right { right: 20px; }

/* ============ 快速导航卡片 ============ */
.quick-nav {
    margin-top: -40px;
    position: relative;
    z-index: 10;
    padding-bottom: 40px;
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.quick-nav-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.quick-nav-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.qnc-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.quick-nav-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.quick-nav-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* ============ 科室介绍 ============ */
.departments {
    background: var(--gray-50);
}

.departments-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.dept-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.dept-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--primary);
}

.dept-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.dept-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.dept-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 15px;
}

.dept-link {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.9rem;
}

.dept-link:hover {
    color: var(--primary);
}

/* ============ 专家团队 ============ */
.doctors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.doctor-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.doctor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.doctor-avatar {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    padding: 40px 20px 25px;
    text-align: center;
    position: relative;
}

.avatar-placeholder {
    font-size: 4rem;
}

.doctor-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
}

.doctor-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    padding: 15px 20px 0;
    color: var(--gray-900);
}

.doctor-title {
    padding: 0 20px;
    font-size: 0.85rem;
    color: var(--primary-light);
    font-weight: 600;
}

.doctor-desc {
    padding: 10px 20px;
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.doctor-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 20px 20px;
}

.doctor-tags span {
    background: var(--gray-100);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============ 诊疗项目 ============ */
.services {
    background: var(--gray-50);
}

.services-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    border: 2px solid var(--gray-300);
    background: var(--white);
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-600);
    font-family: var(--font);
}

.tab-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.services-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.services-text h3 {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.services-text p {
    color: var(--gray-600);
    margin-bottom: 25px;
    line-height: 1.8;
}

.services-list {
    margin-bottom: 30px;
}

.services-list li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--gray-800);
}

.cta-btn {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 30px;
    font-weight: 700;
    transition: var(--transition);
}

.cta-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26,82,118,0.3);
}

.services-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-placeholder {
    font-size: 10rem;
    opacity: 0.15;
}

/* ============ 医疗设备 ============ */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.equipment-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.equipment-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.eq-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.equipment-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.equipment-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============ 预约区域 ============ */
.appointment {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.appointment-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.appointment-info {
    color: var(--white);
}

.appointment-info h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 15px;
}

.appointment-info > p {
    opacity: 0.85;
    margin-bottom: 30px;
    line-height: 1.8;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 1rem;
}

.benefit-icon {
    font-size: 1.2rem;
}

.appointment-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.appointment-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: var(--font);
    transition: var(--transition);
    color: var(--gray-800);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,82,118,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.submit-btn {
    background: var(--primary);
    color: var(--white);
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    margin-top: 5px;
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26,82,118,0.3);
}

.form-note {
    font-size: 0.8rem;
    color: var(--gray-600);
    text-align: center;
}

/* ============ 新闻动态 ============ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    transition: var(--transition);
    overflow: hidden;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.news-date {
    background: var(--primary);
    color: var(--white);
    padding: 20px 15px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 70px;
}

.news-day {
    font-size: 1.8rem;
    font-weight: 900;
    line-height: 1;
}

.news-month {
    font-size: 0.75rem;
    margin-top: 5px;
    opacity: 0.8;
}

.news-content {
    padding: 20px;
    flex: 1;
}

.news-tag {
    display: inline-block;
    background: rgba(26,82,118,0.1);
    color: var(--primary);
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.news-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
    line-height: 1.5;
}

.news-content p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 10px;
}

.news-link {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.85rem;
}

.news-link:hover {
    color: var(--primary);
}

/* ============ 患者评价 ============ */
.testimonials {
    background: var(--gray-50);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 15px;
    left: 25px;
    font-size: 4rem;
    color: var(--primary-light);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-stars {
    margin-bottom: 15px;
    font-size: 1rem;
}

.testimonial-card > p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 45px;
    height: 45px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--gray-900);
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-600);
}

/* ============ 关于我们 ============ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 15px;
}

.about-text p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.about-stat {
    text-align: center;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.about-stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
}

.about-stat-label {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-image-placeholder {
    font-size: 12rem;
    opacity: 0.15;
}

/* ============ 联系我们 ============ */
.contact {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px 0;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--gray-900);
    margin-bottom: 3px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.map-placeholder {
    background: var(--gray-200);
    border-radius: var(--radius);
    height: 100%;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 4rem;
}

.map-placeholder p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* ============ 页脚 ============ */
.footer {
    background: var(--gray-900);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h3 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-col a {
    display: block;
    padding: 5px 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

.footer-col a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.footer-social span {
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.footer-social span:hover {
    background: var(--primary);
}

.qrcode-placeholder {
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 10px;
}

.qrcode-placeholder span {
    font-size: 2rem;
}

.qrcode-placeholder p {
    font-size: 0.7rem;
    margin: 0;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.8rem;
}

/* ============ 浮动联系栏 ============ */
.floating-contact {
    position: fixed;
    right: 20px;
    bottom: 80px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.float-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(26,82,118,0.3);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font);
}

.float-item:hover {
    transform: translateX(-3px);
    box-shadow: 0 6px 20px rgba(26,82,118,0.4);
}

.float-icon {
    font-size: 1.2rem;
}

.float-back-top {
    background: var(--gray-800);
    cursor: pointer;
}

/* ============ 响应式设计 ============ */
@media (max-width: 1024px) {
    .departments-grid { grid-template-columns: repeat(2, 1fr); }
    .doctors-grid { grid-template-columns: repeat(2, 1fr); }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    
    .header-inner { padding: 10px 15px; }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
    }
    
    .nav.open {
        display: flex;
    }
    
    .menu-toggle { display: flex; }
    
    .header-cta { display: none; }
    
    .hero-slide { flex-direction: column; text-align: center; }
    .hero-content { padding: 30px 20px; }
    .hero h2 { font-size: 1.8rem; }
    .hero-stats { justify-content: center; gap: 20px; }
    .hero-image { display: none; }
    
    .quick-nav-grid { grid-template-columns: repeat(2, 1fr); }
    
    .section { padding: 50px 0; }
    .section-title { font-size: 1.6rem; }
    
    .departments-grid { grid-template-columns: 1fr; }
    .doctors-grid { grid-template-columns: 1fr; }
    .equipment-grid { grid-template-columns: 1fr; }
    
    .services-detail { grid-template-columns: 1fr; }
    .appointment-wrapper { grid-template-columns: 1fr; }
    .appointment-form-wrapper { padding: 25px; }
    .form-row { grid-template-columns: 1fr; }
    
    .news-grid { grid-template-columns: 1fr; }
    .testimonials-slider { grid-template-columns: 1fr; }
    .about-content { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    
    .floating-contact { right: 10px; bottom: 60px; }
    .float-text { display: none; }
    .float-item { padding: 12px; border-radius: 50%; }
}

@media (max-width: 480px) {
    .quick-nav-grid { grid-template-columns: 1fr; }
    .hero-stats { flex-direction: column; gap: 15px; }
    .hero-btn { display: block; margin-right: 0; margin-bottom: 10px; }
    .services-tabs { gap: 5px; }
    .tab-btn { padding: 8px 16px; font-size: 0.85rem; }
}


/* ============ 微信客服弹窗 ============ */
.wechat-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.wechat-overlay.show {
    display: flex;
}

.wechat-modal {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    max-width: 380px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.wechat-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6c757d;
}

.wechat-close:hover {
    color: #333;
}

.wechat-modal h3 {
    font-size: 1.2rem;
    color: #1a5276;
    margin-bottom: 10px;
}

.wechat-modal p {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 20px;
}

.wechat-qr-placeholder {
    width: 200px;
    height: 200px;
    margin: 0 auto 15px;
    background: #f1f3f5;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.wechat-qr-placeholder span {
    font-size: 3rem;
}

.wechat-qr-placeholder p {
    font-size: 0.8rem;
    margin: 0;
}

.wechat-phone-cta {
    display: inline-block;
    background: #07c160;
    color: #fff;
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.wechat-phone-cta:hover {
    background: #06ad56;
}

/* ============ 小程序入口横幅 ============ */
.miniapp-banner {
    background: linear-gradient(135deg, #07c160, #06ad56);
    color: #fff;
    padding: 15px 0;
    text-align: center;
}

.miniapp-banner-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.miniapp-icon {
    font-size: 1.5rem;
}

.miniapp-text {
    text-align: left;
}

.miniapp-text h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.miniapp-text p {
    font-size: 0.75rem;
    opacity: 0.9;
    margin: 0;
}

.miniapp-btn {
    background: #fff;
    color: #07c160;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

.miniapp-btn:hover {
    transform: scale(1.05);
}

/* ============ 响应式微信弹窗 ============ */
@media (max-width: 768px) {
    .wechat-modal {
        width: 95%;
        padding: 20px;
    }
    
    .wechat-qr-placeholder {
        width: 160px;
        height: 160px;
    }
    
    .miniapp-banner-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .miniapp-text {
        text-align: center;
    }
}

.beian-link {
    margin-top: 5px;
}

.beian-link a {
    color: rgba(255,255,255,0.6);
    margin: 0 8px;
    font-size: 0.8rem;
}

.beian-link a:hover {
    color: #fff;
    text-decoration: underline;
}

.miniapp-banner {
    background: linear-gradient(135deg, #07c160, #06ad56);
    color: #fff;
    padding: 15px 0;
    text-align: center;
}

.miniapp-banner-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.miniapp-icon {
    font-size: 1.5rem;
}

.miniapp-text {
    text-align: left;
}

.miniapp-text h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.miniapp-text p {
    font-size: 0.75rem;
    opacity: 0.9;
    margin: 0;
}

.miniapp-btn {
    background: #fff;
    color: #07c160;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

.miniapp-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}


@media (max-width: 1024px) {
    .departments-grid { grid-template-columns: repeat(2, 1fr); }
    .doctors-grid { grid-template-columns: repeat(2, 1fr); }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-col { margin-bottom: 20px; }
}